One litter of kittens can be produced by more than one father.
57
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
When cats are happy, they may squeeze their eyes shut.
10
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40